(19)

(11)

EP 2 432 433 A1

(12)

(43) Date of publication: 28.03.2012 Bulletin 2012/13 (21) Application number: 10719566.1 (22) Date of filing: 03.05.2010

(51) International Patent Classification (IPC):  A61F 9/007(2006.01) A61M 1/00(2006.01) (86) International application number: PCT/US2010/033334 (87) International publication number: WO 2010/135071 (25.11.2010 Gazette 2010/47)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 20.05.2009 US 469354 (71) Applicant: Alcon Research, Ltd. Fort Worth, Texas 76134 (US)	(72) Inventor: WILSON, Daniel J. Irvine California 92603 (US) (74) Representative: Hanratty, Catherine et al Hanna Moore & Curley 13 Lower Lad Lane IRL-Dublin 2 IRL-Dublin 2 (IE)